phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e9326f04cb25080146d4d3b9db1d2de0', -1, 1537321590, 1537321590, '36c6cd99', 27, 0, 0)

Line : 187
File : sessions.php